sound/isa/galaxy/azt2316.c

Source file repositories/reference/linux-study-clean/sound/isa/galaxy/azt2316.c

File Facts

System
Linux kernel
Corpus path
sound/isa/galaxy/azt2316.c
Extension
.c
Size
3053 bytes
Lines
99
Domain
Driver Families
Bucket
sound/isa
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Aztech AZT2316 Driver
 * Copyright (C) 2007,2010  Rene Herman
 */

#define AZT2316

#define CRD_NAME "Aztech AZT2316"
#define DRV_NAME "AZT2316"
#define DEV_NAME "azt2316"

#define GALAXY_DSP_MAJOR		3
#define GALAXY_DSP_MINOR		1

#define GALAXY_CONFIG_SIZE		4

/*
 * 32-bit config register
 */

#define GALAXY_CONFIG_SBA_220		(0 << 0)
#define GALAXY_CONFIG_SBA_240		(1 << 0)
#define GALAXY_CONFIG_SBA_260		(2 << 0)
#define GALAXY_CONFIG_SBA_280		(3 << 0)
#define GALAXY_CONFIG_SBA_MASK		GALAXY_CONFIG_SBA_280

#define GALAXY_CONFIG_SBIRQ_2		(1 << 2)
#define GALAXY_CONFIG_SBIRQ_5		(1 << 3)
#define GALAXY_CONFIG_SBIRQ_7		(1 << 4)
#define GALAXY_CONFIG_SBIRQ_10		(1 << 5)

#define GALAXY_CONFIG_SBDMA_DISABLE	(0 << 6)
#define GALAXY_CONFIG_SBDMA_0		(1 << 6)
#define GALAXY_CONFIG_SBDMA_1		(2 << 6)
#define GALAXY_CONFIG_SBDMA_3		(3 << 6)

#define GALAXY_CONFIG_WSSA_530		(0 << 8)
#define GALAXY_CONFIG_WSSA_604		(1 << 8)
#define GALAXY_CONFIG_WSSA_E80		(2 << 8)
#define GALAXY_CONFIG_WSSA_F40		(3 << 8)

#define GALAXY_CONFIG_WSS_ENABLE	(1 << 10)

#define GALAXY_CONFIG_GAME_ENABLE	(1 << 11)

#define GALAXY_CONFIG_MPUA_300		(0 << 12)
#define GALAXY_CONFIG_MPUA_330		(1 << 12)

#define GALAXY_CONFIG_MPU_ENABLE	(1 << 13)

#define GALAXY_CONFIG_CDA_310		(0 << 14)
#define GALAXY_CONFIG_CDA_320		(1 << 14)
#define GALAXY_CONFIG_CDA_340		(2 << 14)
#define GALAXY_CONFIG_CDA_350		(3 << 14)
#define GALAXY_CONFIG_CDA_MASK		GALAXY_CONFIG_CDA_350

#define GALAXY_CONFIG_CD_DISABLE	(0 << 16)
#define GALAXY_CONFIG_CD_PANASONIC	(1 << 16)
#define GALAXY_CONFIG_CD_SONY		(2 << 16)
#define GALAXY_CONFIG_CD_MITSUMI	(3 << 16)
#define GALAXY_CONFIG_CD_AZTECH		(4 << 16)
#define GALAXY_CONFIG_CD_UNUSED_5	(5 << 16)
#define GALAXY_CONFIG_CD_UNUSED_6	(6 << 16)
#define GALAXY_CONFIG_CD_UNUSED_7	(7 << 16)
#define GALAXY_CONFIG_CD_MASK		GALAXY_CONFIG_CD_UNUSED_7

#define GALAXY_CONFIG_CDDMA8_DISABLE	(0 << 20)
#define GALAXY_CONFIG_CDDMA8_0		(1 << 20)
#define GALAXY_CONFIG_CDDMA8_1		(2 << 20)
#define GALAXY_CONFIG_CDDMA8_3		(3 << 20)
#define GALAXY_CONFIG_CDDMA8_MASK	GALAXY_CONFIG_CDDMA8_3

#define GALAXY_CONFIG_CDDMA16_DISABLE	(0 << 22)
#define GALAXY_CONFIG_CDDMA16_5		(1 << 22)
#define GALAXY_CONFIG_CDDMA16_6		(2 << 22)
#define GALAXY_CONFIG_CDDMA16_7		(3 << 22)
#define GALAXY_CONFIG_CDDMA16_MASK	GALAXY_CONFIG_CDDMA16_7

#define GALAXY_CONFIG_MPUIRQ_2		(1 << 24)
#define GALAXY_CONFIG_MPUIRQ_5		(1 << 25)
#define GALAXY_CONFIG_MPUIRQ_7		(1 << 26)
#define GALAXY_CONFIG_MPUIRQ_10		(1 << 27)

#define GALAXY_CONFIG_CDIRQ_5		(1 << 28)
#define GALAXY_CONFIG_CDIRQ_11		(1 << 29)
#define GALAXY_CONFIG_CDIRQ_12		(1 << 30)
#define GALAXY_CONFIG_CDIRQ_15		(1 << 31)
#define GALAXY_CONFIG_CDIRQ_MASK	(\
	GALAXY_CONFIG_CDIRQ_5 | GALAXY_CONFIG_CDIRQ_11 |\

Annotation

Implementation Notes